38 entries under pitiless topic. ×

1
merciless(adjective, mean, cruel, heartless)
1
mortal(adjective, mean, severe, harsh, cruel)
1
relentless(adjective, mean, severe, harsh, cruel)
1
ruthless(adjective, mean, severe, harsh, cruel)
1
severe(adjective, mean, harsh, cruel)
1
unappeasable(adjective, mean, severe, harsh, cruel)
1
uncalled-for(adjective, mean, severe, harsh, cruel)
1
unflinching(adjective, mean, severe, harsh, cruel)
1
unforgiving(adjective, mean, severe, harsh, cruel)
1
unmerciful(adjective, mean, severe, harsh, cruel)
1
unpitying(adjective, mean, severe, harsh, cruel)
1
unrelenting(adjective, mean, severe, harsh, cruel)
1
unsparing(adjective, mean, severe, harsh, cruel)
1
unsympathetic(adjective, mean, severe, harsh, cruel)
1
unyielding(adjective, mean, severe, harsh, cruel)
1
wanton(adjective, mean, severe, harsh, cruel)
0
compassionless(adjective, mean, severe, harsh, cruel)
-1
uncompromising(adjective, cruel, heartless, hardhearted)
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APASmart Define. (2011). having a killer instinct thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/having_a_killer_instinct/thesaurus/synonyms
ChicagoSmart Define. 2011. "having a killer instinct thesaurus" https://smartdefine.org/having_a_killer_instinct/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2011, having a killer instinct thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/having_a_killer_instinct/thesaurus/synonyms>.
MLASmart Define. "having a killer instinct thesaurus" 23 May 2011. Web. 26 September 2026. <https://smartdefine.org/having_a_killer_instinct/thesaurus/synonyms>